CVE-2017-5953: Vim

Critical severity, CVSS 9.8. EPSS: 2.8% chance of exploitation in the next 30 days.

vim before patch 8.0.0322 does not properly validate values for tree length when handling a spell file, which may result in an integer overflow at a memory allocation site and a resultant buffer overflow.

Affected products

• Vim Vim: up to and including 8.0.0055

Published 2017-02-10. Last modified 2026-06-17.